402466667 has 2 divisors, whose sum is σ = 402466668. Its totient is φ = 402466666.

The previous prime is 402466663. The next prime is 402466693. The reversal of 402466667 is 766664204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402466667 - 2² = 402466663 is a prime.

It is not a weakly prime, because it can be changed into another prime (402466661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201233333 + 201233334.

It is an arithmetic number, because the mean of its divisors is an integer number (201233334).

Almost surely, 2^402466667 is an apocalyptic number.

402466667 is a deficient number, since it is larger than the sum of its proper divisors (1).

402466667 is an equidigital number, since it uses as much as digits as its factorization.

402466667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 41.

The square root of 402466667 is about 20061.5718975358. The cubic root of 402466667 is about 738.3177436027.

The spelling of 402466667 in words is "four hundred two million, four hundred sixty-six thousand, six hundred sixty-seven".